has the vatican talked more about any decisions behind the scenes? we do know that the pope has a pacemaker. they've put that out there. he's had it for years, but have they decided or released what were the real factors behind the scenes? because this is uncharted territory. >> it is, absolutely, uncharted. and they're still in a state of shock here, i have to tell you. but from a lot of people that i've been talking to since i got on the ground here, and also speaking the to the vatican spokesman, there doesn't seem to be more to it than the fact that the pope is 85 years old, he's gotten increasingly frail in recent months. and frankly, this is somebody who has to run what is a global enterprise, 1.1 billion catholics around the world. and i think he just realized that there was so much on his plate, that with modern medicine and our ability to keep people alive longer, but perhaps not with the energy and vitality that this job requires or, in his opinion, after a prayerful thought, deserves, he decided to step down. so i think it has to do with h